sfc: Use consistent types for filter IDs, indices and search depths
Filter IDs are u32 (but never very large) so an ID/error return
value should have type s32.
Filter indices and search depths are never negative, so should
have type unsigned int.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h
index 8a5336d..27f0b01 100644
--- a/drivers/net/ethernet/sfc/efx.h
+++ b/drivers/net/ethernet/sfc/efx.h
@@ -61,7 +61,7 @@
extern int efx_probe_filters(struct efx_nic *efx);
extern void efx_restore_filters(struct efx_nic *efx);
extern void efx_remove_filters(struct efx_nic *efx);
-extern int efx_filter_insert_filter(struct efx_nic *efx,
+extern s32 efx_filter_insert_filter(struct efx_nic *efx,
struct efx_filter_spec *spec,
bool replace);
extern int efx_filter_remove_filter(struct efx_nic *efx,